X1-x2/y1-y2 is what you need for ordered pair
Use the formula:
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B refers to the base and H refers to the height of the triangle.
As such, multiply both the base and height of the triangle and divide the answer by 2, to find the area of the triangle.
Answer:
b=45^1/2
Step-by-step explanation:

Answer:
45/r
Step-by-step explanation:
You're just doing 45 divided by r.